Detailed explanation of java digital to Chinese character tool class

In this paper, we share the specific codes of java digital to Chinese character tool class for your reference. The specific contents are as follows

/**
 * Created by 33303 on 2017/7/28.
 */
import java.math.BigDecimal;

/**
 *  Convert numbers into capitals of RMB in Chinese <br>
 *
 */
public class NumberToCN {
 /**
 *  Capitalized digits in Chinese 
 */
 private static final String[] CN_UPPER_NUMBER = { " Zero ", " One ", " 2 ", " 3 ", " Four ",
  " Wu ", " Land ", " Qi ", " Eight ", " Nine " };
 /**
 *  In Chinese, monetary units are capitalized, which is similar to placeholders 
 */
 private static final String[] CN_UPPER_MONETRAY_UNIT = { " Points ", " Angle ", " Yuan ",
  " Pick up ", " Bai ", " Thousands ", " Ten thousand ", " Pick up ", " Bai ", " Thousands ", " Billion ", " Pick up ", " Bai ", " Thousands ", " Mega ", " Pick up ",
  " Bai ", " Thousands " };
 /**
 *  Special character: whole 
 */
 private static final String CN_FULL = " Whole ";
 /**
 *  Special character: negative 
 */
 private static final String CN_NEGATIVE = " Negative ";
 /**
 *  Accuracy of the amount, the default value is 2
 */
 private static final int MONEY_PRECISION = 2;
 /**
 *  Special character: Zero whole 
 */
 private static final String CN_ZEOR_FULL = " Zero element " + CN_FULL;

 /**
 *  Convert the input amount into the capital of RMB in Chinese 
 *
 * @param numberOfMoney
 *   Amount entered 
 * @return  Corresponding Chinese capitalization 
 */
 public static String number2CNMontrayUnit(BigDecimal numberOfMoney) {
 StringBuffer sb = new StringBuffer();
 // -1, 0, or 1 as the value of this BigDecimal is negative, zero, or
 // positive.
 int signum = numberOfMoney.signum();
 //  The case of zero yuan whole 
 if (signum == 0) {
  return CN_ZEOR_FULL;
 }
 // The amount will be used here 4 Shed 5 Into 
 long number = numberOfMoney.movePointRight(MONEY_PRECISION)
  .setScale(0, 4).abs().longValue();
 //  Get two decimal places 
 long scale = number % 100;
 int numUnit = 0;
 int numIndex = 0;
 boolean getZero = false;
 //  Judge the last two digits, 1 Shared 4 Medium situation: 00 = 0, 01 = 1, 10, 11
 if (!(scale > 0)) {
  numIndex = 2;
  number = number / 100;
  getZero = true;
 }
 if ((scale > 0) && (!(scale % 10 > 0))) {
  numIndex = 1;
  number = number / 10;
  getZero = true;
 }
 int zeroSize = 0;
 while (true) {
  if (number <= 0) {
  break;
  }
  //  Every time you get to the end, 1 Number 
  numUnit = (int) (number % 10);
  if (numUnit > 0) {
  if ((numIndex == 9) && (zeroSize >= 3)) {
   sb.insert(0, CN_UPPER_MONETRAY_UNIT[6]);
  }
  if ((numIndex == 13) && (zeroSize >= 3)) {
   sb.insert(0, CN_UPPER_MONETRAY_UNIT[10]);
  }
  sb.insert(0, CN_UPPER_MONETRAY_UNIT[numIndex]);
  sb.insert(0, CN_UPPER_NUMBER[numUnit]);
  getZero = false;
  zeroSize = 0;
  } else {
  ++zeroSize;
  if (!(getZero)) {
   sb.insert(0, CN_UPPER_NUMBER[numUnit]);
  }
  if (numIndex == 2) {
   if (number > 0) {
   sb.insert(0, CN_UPPER_MONETRAY_UNIT[numIndex]);
   }
  } else if (((numIndex - 2) % 4 == 0) && (number % 1000 > 0)) {
   sb.insert(0, CN_UPPER_MONETRAY_UNIT[numIndex]);
  }
  getZero = true;
  }
  //  Jean number Remove the last every time 1 Number 
  number = number / 10;
  ++numIndex;
 }
 //  If signum == -1 The number entered is negative, and a special character is appended to the front: negative 
 if (signum == -1) {
  sb.insert(0, CN_NEGATIVE);
 }
 //  The number entered is two decimal places after the decimal point "00" In the case of, a special character should be appended at the end: whole 
 if (!(scale > 0)) {
  sb.append(CN_FULL);
 }
 return sb.toString();
 }

 public static void main(String[] args) {
 double money = 2020004.01;
 BigDecimal numberOfMoney = new BigDecimal(money);
 String s = NumberToCN.number2CNMontrayUnit(numberOfMoney);
 System.out.println(" The amount you entered is: " "+ money +" "  #--# [" +s.toString()+"]");
 }
}